ΔE 19.6, loose: different enough that you should pick on purpose. Mindcrime Magenta is a little darker, more muted, cooler than Mars Red.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Mindcrime Magenta is a little darker, more muted, cooler than Mars Red.
The same difference applies the other way round: Mars Red is a little lighter, more saturated, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Mars Red on the colour wheel See Mindcrime Magenta on the colour wheel
All matches: Mars Red equivalents · Mindcrime Magenta equivalents